related with #810

Known issue from #1915 as the new SuiDropdown component is quite different:

• original: https://github.com/Semantic-UI-Vue/Semantic-UI-Vue/blob/v0.11.0/src/modules/Dropdown/Dropdown.jsx
• new: https://github.com/nightswinger/vue-fomantic-ui/blob/v0.13.0/src/modules/Dropdown/Dropdown.tsx)

Steps to reproduce:

1. open demos/form-control/multiline.php demo
2. click into country dropdown and start typing like cze
3. Czech Republic country should be displayed from API in the dropdown
4. it should be possible to select it and submit the form wth Czech Republic country ID